Gradient Magnitude as an Aid in Color Pixel Classification
MARYLAND UNIV COLLEGE PARK COMPUTER VISION LAB
Pagination or Media Count:
When pixels in a black-and-white image are classified by thresholding their gray levels, gradient magnitude information can be used in various ways as an aid in thresholds selection. This note deals with the use of color gradient magnitude as an aid in classifying pixels based on their colors or spectral signatures.